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{
"cells": [
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# Chapter 19: Plain Surface Bearings"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Example 19.1: Shaft_Considerations.sce"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"clc;\n",
"clear;\n",
"mprintf('MACHINE DESIGN \n Timothy H. Wentzell, P.E. \n EXAMPLE-19.1 Page No.417\n');\n",
"//Length\n",
"F=20;\n",
"n=500;\n",
"PV=3000;\n",
"L1=%pi*F*n/(12*PV);\n",
"//Use 7/8-inch or longer bearing\n",
"L=7/8;\n",
"mprintf('\n Length of bearing = %f in.',L);\n",
"//Maximum pressure\n",
"A=(3/4)*(7/8);\n",
"P=F/A;\n",
"mprintf('\n Maximum pressure = %f lb/in^2.',P);\n",
"//Maximum velocity\n",
"D=3/4;\n",
"V=%pi*D*n/12;\n",
"mprintf('\n Maximum velocity = %f ft/min.',V);"
]
}
,
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Example 19.2: Wear.sce"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"clc;\n",
"clear;\n",
"mprintf('MACHINE DESIGN \n Timothy H. Wentzell, P.E. \n EXAMPLE-19.2 Page No.421\n');\n",
"//Life in hours of operation\n",
"t=0.01;\n",
"K=12*10^-10;\n",
"P=30.5;\n",
"V=98;\n",
"T=t/(K*P*V);\n",
"mprintf('\n Life = %f hours.',T);\n",
"//Note-There is an error in the answer given in textbook"
]
}
],
"metadata": {
"kernelspec": {
"display_name": "Scilab",
"language": "scilab",
"name": "scilab"
},
"language_info": {
"file_extension": ".sce",
"help_links": [
{
"text": "MetaKernel Magics",
"url": "https://github.com/calysto/metakernel/blob/master/metakernel/magics/README.md"
}
],
"mimetype": "text/x-octave",
"name": "scilab",
"version": "0.7.1"
}
},
"nbformat": 4,
"nbformat_minor": 0
}
|
